Holland then asked the crowd if they’d seen the film yet - and looked more than a little guilty when he realised they hadn’t.

Megan Amram tweeted: “This is not a spoiler but a highlight of my LA life so far was last night when @TomHolland1996 accidentally revealed an #InfinityWar spoiler to an entire arclight theater who hadn't seen it yet.”

Avengers Infinity War DEATHS: Every character who dies REVEALED

Warning major spoilers ahead

Looking absolutely panicked and running towards Tony Stark, he had said: “Mr Stark, I don’t feel good”, then “I don’t want to go” - before falling victim to the mass-cull that Thanos initiated by collecting all of the Infinity Stones.

How the franchise plays out going forward - including with next year’s Avengers 4 - remains to be seen; especially as Holland is thought to be returning for a Spider-Man: Homecoming sequel.

What’s more, a producer last year revealed that the movie will begin “minutes” after Avengers 4 ends - so does that mean that Holland indeed will return in the next film?